Cathay Sustainability High Dividend (00878) successfully incorporated Wan Hai (2615) and purchased 146,000 shares after announcing its stock adjustment list on June 3, resulting in a weight percentage of 3.54%, making it the sixth largest component stock. In addition, 中租-KY (5871) has 86,704 shares, ranking 20th with a weight of 2.46%, while 可成 (2474) holds 35,047 shares with a weight of 1.75%.

The stock adjustments began on May 22, and after 10 trading days, the weight rankings changed significantly. Cathay Financial (2882) saw an increase of 436,020 shares, with its weight rising from 3.43% to 10.20%, making it the weight champion. CTBC Financial (2891) moved from fifth to second position, with an increase of 511,215 shares.

Overall, 00878's asset scale reached 430.128 billion TWD, with the top five component stocks being Cathay Financial, CTBC Financial, 联电 (2303), 华硕 (2357), and 联发科 (2454). The addition of Wan Hai marks the beginning of new weight adjustments.